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1.0 M aqueous solutions of the following substances are prepared. Which one would you expect to have the lowest electrical conductivity?
a. NaOH
b. CH3CH2OH (ethanol)
c. KBr
d. CH3COOH (acetic acid)
e. HClO4
A 2.50 g sample of an unknown gas occupies 885 mL at 697 mm Hg and 40 C. What is the molar mass of the unknown gas
Explain both alkene and carbocation stability as it relates to hyperconjugation. - Explain how hybridization relates to alkene stability.
What is the molar mass of the following: a) O2, b) KH2PO4, c) Fe(ClO4)3, d) C4H8O4, e)Ga2(CO3)3, f) KBrO4. Please use significant figures.
The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?
Balance the following redox equation using the smallest integers possible and select the correct coefficient for the hydrogen sulfite ion.
A titanium rod of length 10 cm and circular diameter of 2 cm is pulled in tension with a load of 100000 N. The rod elongates by 0.01 cm under the load but recovers to its original length when the load is released.
Under certain conditions, the substance ammonium nitrite can be broken down to form nitrogen and water. If 32.4 grams of ammonium nitrite react to form 14.2 grams of nitrogen
If the mobile phase flow rate is 0.4 m/min, what is the analyte linear migration rate, and how long is the column?
Assuming the earth is a perfect sphere with a radius of 6371 km and an atmosphere that extends from the surface to an altitude of 20 km determine the number of metric tons of the elements/compounds+
For the same atoms at the lattice points, which lattice exhibits the lowest density? (please explain your reasoning) (A) body-centered cubic (B) face-centered cubic
The vapor pressure of methanol at 30. oC is 158 torr. What mass (in grams) of methanol actually evaporates?
A hypothetical metal has a body-centered cubic unit cell and a density of 3.229 g/cm3. The molar mass of the metal is 114.8 g/mol. What is the atomic radius of this metal
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